... temperature of hot air supply, temperature controlled warm-up system on extrudingpart and adjustable extruding speed, screw type rod ... for great extruding pressure,low temperature protection system* Applicable on welding, sealing, jointing, and repairing plastic panels and ... -650°CHeating temperatures while plasticextruding: 20 to 300°CWarm-up Hot Air Volume :500L/minDiameter of the Welding Tips ...